Melting and the Reaches of Outer Space
2 bits of bad news.
First, Arctic ice is disappearing faster than expected, melting about 30 years ahead of the already-troubling schedule. Summers will, at this rate, feature an iceless Arctic by 2020, not 2050. Don't buy stock in polar bears or walruses (or coastal property).
Second, just in case you thought the recent discovery of the new Earth might be a saving grace from our ruin of this one, I happened to catch astro-physicist Neil deGrasse Tyson on Colbert, who says it would take a wee bit longer than you might think to get there. See for yourself: